Tools and materials needed
●2.5mm Allen wrench
●2.0mm Allen wrench
Reference video
Operation steps
1. Use a 2.0mm Allen wrench to remove all 6 screws on the back of the machine.
2. Use a 2.5mm Allen wrench to remove the 2 screws on the bottom of the machine and remove the rear cover of the printer.
3. Unplug the cable of the limit switch on the motherboard.
4. Use a 2.5mm Allen wrench to remove the two fixing screws of the limit switch. Before the last screw is removed, take out the limit switch from the rear with one hand.
5. Take out the new limit switch and insert it into the mounting hole from the rear, and use a 2.5mm Allen wrench to reinstall the 2 fixing screws.
6. Reinstall the limit switch cable on the motherboard.
7. Align the rear cover of the machine with the mounting holes, and use a 2.0mm Allen wrench to tighten the 6 fixing screws on the rear cover.
8. Use a 2.5mm Allen wrench to tighten the 2 screws at the bottom.
9. Power on the printer, operate [Tools]-[Manual] on the touch screen, click the [Move to zero] button, control the printer's return to zero movement, and observe whether the limit switch is triggered normally.
10. After the limit switch works normally, re-level the printer and it can be used normally.